A heat exchanger metal tube insertion device in the refrigeration field

Abstract

The invention discloses a metal tube insertion device for a heat exchanger in the refrigeration field, comprising a fin transfer mechanism for transporting fins from a manual workstation to a workstation to be assembled; a guide needle reflux mechanism for driving the guide needle from the finished side of the fin transfer mechanism to the insertion side and installing the guide needle on the fin channel of the workstation to be assembled; a copper tube pushing mechanism for driving the copper tube at a position to be inserted to connect with the guide needle on the fin and drive the copper tube into the fin channel; a copper tube guiding mechanism for guiding the rear end of the copper tube before the copper tube is connected to the guide needle; a copper tube alignment mechanism for aligning the rear end of the copper tube driven into the copper tube guiding mechanism; and a copper tube limiting mechanism for limiting the rear end of the copper tube at the position to be inserted. By setting the copper tube guiding mechanism, copper tube alignment mechanism and copper tube limiting mechanism in cooperation with the fin transfer mechanism, guide needle reflux mechanism and copper tube pushing mechanism, the copper tube is provided with guiding and limiting functions before being inserted into the fin channel, ensuring that the copper tube can be accurately aligned with the guide needle and connected, thereby improving the connection efficiency of the copper tube and the guide needle and the insertion efficiency of the copper tube, thereby improving the production quality of the condenser.

Description

Technical Field

[0001] The invention relates to the technical field of heat exchanger processing, and in particular to a heat exchanger metal tube insertion device in the refrigeration field. Background Art

[0002] When processing and producing air conditioners, it is necessary to prepare the heat exchanger by inserting a metal tube (U-shaped copper tube) into the fin group. In the process of inserting the copper tube into the fin channel, a guide needle is required to guide it to avoid the occurrence of copper tube error problems.

[0003] However, since guide pins are used for guidance, the copper tube needs to be connected to the guide pins before being inserted into the fins. However, in the prior art, the copper tube and the guide pins cannot be accurately aligned, resulting in the guide pins being unable to accurately connect with the copper tube to play their guiding role, making it impossible for the copper tube to be accurately inserted into the fin channel, resulting in low processing efficiency and failure to ensure that all the copper tubes required to be inserted are inserted into the fins, resulting in the problem that the quality of the produced condenser does not meet the requirements. Summary of the invention

[0004] The present invention provides a heat exchanger metal tube insertion device in the field of refrigeration to solve the above problems.

[0005] In order to achieve the above object, the technical solution of the present invention is:

[0006] A heat exchanger metal tube insertion device in the field of refrigeration, comprising:

[0007] The fin transfer mechanism is used to transfer the fins from the manual workstation to the workstation to be assembled, and to transfer the assembled heat exchanger to the next workstation;

[0008] A guide needle return mechanism, which can reciprocate between the finished side and the insertion side of the fin transfer mechanism, is used to drive the guide needle from the finished side of the fin transfer mechanism to the insertion side thereof and install the guide needle on the fin channel of the to-be-assembled station, and is used to recover and temporarily store the guide needle driven out of the fin channel;

[0009] The copper tube pushing mechanism is arranged on the insertion side of the fin transfer mechanism, and is used to drive the copper tube at the insertion position to the tail end of the copper tube close to the fin transfer mechanism to connect with the guide pin on the end of the fin channel, and drive the copper tube into the fin channel to complete the assembly of the heat exchanger;

[0010] The copper tube guide mechanism is arranged between the fin transfer mechanism and the copper tube push mechanism, and is used to guide the tail end of the copper tube before the copper tube is connected to the guide pin;

[0011] The copper tube alignment mechanism is installed on the copper tube guide mechanism on one side close to the fin transfer mechanism, and is used to align the tail end of the copper tube driven into the copper tube guide mechanism;

[0012] The copper tube limiting mechanism is arranged between the copper tube guiding mechanism and the copper tube pushing mechanism, and is used to limit the tail end of the copper tube at the position to be inserted, and is used to limit the copper tube during the process of inserting the copper tube into the fin channel.

[0013] The beneficial effects of the present invention are:

[0014] The present invention discloses a device for inserting a metal tube of a heat exchanger in the field of refrigeration. The device provides guidance and limitation for the copper tube before the copper tube is inserted into the fin channel by means of a copper tube guiding mechanism, a copper tube alignment mechanism and a copper tube limiting mechanism in cooperation with a fin transfer mechanism, a guide needle reflux mechanism and a copper tube pushing mechanism, thereby ensuring that the copper tube can be accurately aligned and connected with the guide needle, and at the same time improving the connection efficiency between the copper tube and the guide needle and the insertion efficiency of the copper tube, thereby avoiding the problem that the guide needle and the copper tube are misaligned and the copper tube cannot be inserted into the fin channel, and the production quality of the condenser can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 The structure of a heat exchanger metal tube insertion device in the refrigeration field disclosed in an embodiment of the present invention is schematically shown. Figure 1 (Copper tube removal mechanism not shown);

[0017] Figure 2 The structure of a heat exchanger metal tube insertion device in the refrigeration field disclosed in an embodiment of the present invention is schematically shown. Figure 2 (Copper tube removal mechanism not shown);

[0018] Figure 3 The structure diagram of a guide needle reflux mechanism, a copper tube tooth comb guide mechanism and a copper tube guide mechanism of a metal tube insertion device for a heat exchanger in the refrigeration field disclosed in an embodiment of the present invention is shown in FIG. Figure 1 ;

[0019] Figure 4 The structure of the metal tube insertion device for heat exchanger in the refrigeration field disclosed in the embodiment of the present invention is a schematic diagram of the needle transport mechanism, the copper tube tooth comb guide mechanism and the copper tube guide mechanism Figure 2 ;

[0020] Figure 5 for Figure 3 Enlarged view of part E in the middle;

[0021] Figure 6 It is a front view of a transfer mechanism, a copper tube tooth comb guide mechanism and a copper tube guide mechanism of a metal tube insertion device for a heat exchanger in the refrigeration field disclosed in an embodiment of the present invention;

[0022] Figure 7 Schematic diagram of the structure of a copper tube pushing mechanism and a copper tube limiting mechanism of a metal tube insertion device for a heat exchanger in the refrigeration field disclosed in an embodiment of the present invention Figure 1 ;

[0023] Figure 8 Schematic diagram of the structure of a copper tube pushing mechanism and a copper tube limiting mechanism of a metal tube insertion device for a heat exchanger in the refrigeration field disclosed in an embodiment of the present invention Figure 2 ;

[0024] Fig. 9 The structure of the fin transfer mechanism of the metal tube insertion device of the heat exchanger in the refrigeration field disclosed in the embodiment of the present invention is shown in FIG. Figure 1 ;

[0025] Fig.10 The structure of the fin transfer mechanism of the metal tube insertion device of the heat exchanger in the refrigeration field disclosed in the embodiment of the present invention is shown in FIG. Figure 2 ;

[0026] Fig.11 A heat exchanger metal tube insertion device for a refrigeration heat exchanger disclosed in an embodiment of the present invention is a schematic diagram of a heat exchanger operating mechanism structure Figure 1 ;

[0027] Fig.12 A heat exchanger metal tube insertion device for a refrigeration heat exchanger disclosed in an embodiment of the present invention is a schematic diagram of a heat exchanger operating mechanism structure Figure 2 ;

[0028] Fig.13 It is a schematic structural diagram of a copper tube lifting and feeding mechanism and a copper tube taking-out mechanism of a metal tube insertion device for a heat exchanger in the refrigeration field disclosed in an embodiment of the present invention;

[0029] Fig.14 It is a front view of a copper tube lifting and feeding mechanism and a copper tube taking-out mechanism of a metal tube insertion device for a heat exchanger in the refrigeration field disclosed in an embodiment of the present invention;

[0030] Fig.15 A schematic diagram of the structure of a copper tube lifting and feeding mechanism of a metal tube insertion device for a heat exchanger in the refrigeration field disclosed in an embodiment of the present invention Figure 1 ;

[0031] Fig.16 A schematic diagram of the structure of a copper tube lifting and feeding mechanism of a metal tube insertion device for a heat exchanger in the refrigeration field disclosed in an embodiment of the present invention Figure 2 (excluding bracket);

[0032] Fig.17 It is a front view of a lifting and feeding mechanism of a metal tube insertion device for a heat exchanger in the refrigeration field disclosed in an embodiment of the present invention;

[0033] Fig.18 for Fig.16 A magnified view of part A;

[0034] Fig.19 It is a schematic structural diagram of a copper tube removal mechanism of a metal tube insertion device for a heat exchanger in the refrigeration field disclosed in an embodiment of the present invention;

[0035] Fig. 20 It is a front view of a copper tube removal mechanism of a metal tube insertion device for a heat exchanger in the refrigeration field disclosed in an embodiment of the present invention;

[0036] Fig.21 for Fig.19 A magnified view of part B;

[0037] Fig. 22 for Fig.19 Enlarged view of part C;

[0038] Fig.23 for Fig. 20 Enlarged view of part D.

[0039] In the figure: 1. Copper tube lifting and feeding mechanism; 11. Loading unit; 111. Feeding table; 112. Moving vehicle; 113. Feeding push plate; 114. First guide rod group; 115. Second guide rod group; 116. Push plate sliding assembly; 117. Positioning block; 12. Copper tube lifting unit; 121. Lifting fork; 122. Mounting bracket; 123. Lifting drive device; 124. Lifting guide assembly; 13. Bracket; 14. Loading unit limit device; 141. Limit drive motor; 142. Positioning pin; 2. Copper tube taking-out mechanism; 21. Lifting unit; 211. Lifting plate; 212. Lifting guide rail; 213. Lifting drive cylinder; 214. Limiting plate; 215. Buffer; 22. Translation unit; 221. Shift guide rail; 222, translation slider; 223, translation drive device; 23, clamping unit; 231, drive plate; 232, rotation assembly; 232a, drive block; 232b, follower shaft; 234, clamping drive device; 234a, drive cylinder; 234b, connecting plate; 235, drive plate guide assembly; 236, clamping column; 237, clamping block; 24, layer height detection unit; 241, fixing sleeve; 242, connecting rod; 243, spring; 244, contact plate; 245, sensor; 246, detection plate; 247, partition block; 25, mounting frame; 26, connecting frame; 27, clamping detection unit; 271, optical fiber sensor group; 272, floating pin fixing plate; 273, floating pin; 274, stopper ;275, support plate;3, copper tube;4, fin transfer mechanism;41, finished side;42, insertion side;43, fin transfer rack;44, transfer rack linear module;45, fin clamping device;451, first clamping part;452, second clamping part;453, clamping part lifting device;453a, clamping part driving cylinder;454, second clamping part driving device;46, fin clamping device connecting frame;47, first clamping part mounting frame;48, second clamping part mounting frame;49, pressing plate;491, lifting cylinder;492, pressing plate guide column;5, guide needle reflux mechanism;51, guide needle;52, base;53, guide needle support;54, guide needle mounting frame;55, guide needle pushing device;551, push column;552 , push column frame; 553, push column frame moving seat; 554, push column frame moving seat lifting device; 555, push column frame translation device; 56, guide pin lifting device; 57, guide pin translation device; 6, copper tube pushing mechanism; 61, copper tube bracket; 621a, push rod slide rail; 621b, push rod bracket; 621c, push rod; 621d, push block; 621e, push rod supporting structure; 62, push tube unit; 621, push tube device; 622, push tube driving device; 622a, push rod driving motor; 623, copper tube supporting device; 623a, supporting bottom plate; 623b, supporting plate; 7, copper tube guiding mechanism; 71, upper guide part; 72, lower guide part; 73, guide mechanism lifting device; 74, lower guide part driving device;75, vertical plate; 8, copper tube alignment mechanism; 81, alignment baffle; 82, alignment baffle driving device; 821, alignment baffle driving cylinder; 9, copper tube limit mechanism; 91, upper limit structure; 92, lower limit structure; 93, upper limit driving device; 94, lower limit driving device; 95, lower limit structure mounting plate; 15, copper tube comb guide mechanism; 151, comb plate; 151a, tooth groove; 152, comb plate driving device; 152a, comb plate guide column; 152b, comb plate driving cylinder; 152c, comb plate connecting plate; 152d, comb plate mounting frame; 152e, pressing column; 16, pulling mechanism; 161, pulling claw; 17, heat exchanger operation machine Structure; 171, operation fixed frame; 172, operation frame; 173, operation device mounting plate; 174, operation device; 174a, first operation device; 174b, second operation device; 175, installation plate lifting device; 175a, installation plate lifting cylinder; 175b, installation plate guide column; 176, operation frame translation device; 177, operation drive device; 177a, first operation drive device; 177b, second operation linear module; 177c, operation drive cylinder; 178, operation fixed plate; 179, operation table; 18, waiting assembly station; 19, heat exchanger; 20, stand; 28, work platform; 29, waiting insertion position; 30, manual station. ; DETAILED DESCRIPTION

[0040] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] like Figure 1-2 The present embodiment shows a heat exchanger metal tube insertion device for the refrigeration field, comprising: a fin transfer mechanism 4, used to transfer the fin from the manual station 30 to the to-be-assembled station 18, and to transfer the assembled heat exchanger 19 to the next station;

[0042] The guide needle return mechanism 5 can reciprocate between the finished side and the insertion side of the fin transfer mechanism 4, and is used to drive the guide needle 51 from the finished side 41 of the fin transfer mechanism to its insertion side 42 and install the guide needle on the fin channel of the assembly station, and is used to recover and temporarily store the guide needle driven out of the fin channel;

[0043] The copper tube pushing mechanism 6 is provided on the insertion side 42 of the fin transfer mechanism, and is used to drive the copper tube at the to-be-inserted position 29 to the tail end of the copper tube close to the fin transfer mechanism to connect with the guide pin on the end of the fin channel, and drive the copper tube into the fin channel to complete the assembly of the heat exchanger;

[0044] The copper tube guiding mechanism 7 is provided between the fin transfer mechanism 4 and the copper tube pushing mechanism 6, and is used to guide the tail end of the copper tube before the copper tube is connected to the guide pin;

[0045] The copper tube alignment mechanism 8 is installed on the copper tube guide mechanism 7 at one side close to the fin transfer mechanism 4, and is used to align the tail end of the copper tube driven into the copper tube guide mechanism 7;

[0046] The copper tube limiting mechanism 9 is arranged between the copper tube guiding mechanism 7 and the copper tube pushing mechanism 6, and is used to limit the tail end of the copper tube at the position to be inserted, and is used to limit the copper tube during the process of inserting the copper tube into the fin channel.

[0047] Because three groups of fins with different directions are assembled as a batch during the assembly of the condenser, at the manual workstation, the worker manually adjusts (flips) the forward and reverse directions of the incoming fin groups with the same direction, and then the fin transfer mechanism transfers each group of fins to the assembly station 18 in turn, and the copper tube pushing mechanism 6 cooperates with the copper tube guiding mechanism 7, the copper tube alignment mechanism 8, and the copper tube limiting mechanism 9 to connect the copper tube with the guide pin and then insert the copper tube into the fin channel to complete the copper tube insertion process. The manual workstation is equipped with a visual camera system to collect and monitor the direction of the fins to ensure that the fin direction is correct. The visual camera system is a prior art and its principle will not be repeated here.

[0048] The present invention discloses a device for inserting a metal tube of a heat exchanger in the field of refrigeration. The device provides guidance and limitation for the copper tube before the copper tube is inserted into the fin channel by means of a copper tube guiding mechanism, a copper tube alignment mechanism and a copper tube limiting mechanism in cooperation with a fin transfer mechanism, a guide needle reflux mechanism and a copper tube pushing mechanism, thereby ensuring that the copper tube can be accurately aligned and connected with the guide needle, and at the same time improving the connection efficiency between the copper tube and the guide needle and the insertion efficiency of the copper tube, thereby avoiding the problem that the guide needle and the copper tube are misaligned and the copper tube cannot be inserted into the fin channel, and the production quality of the condenser can be improved.

[0049] In a specific embodiment, Figure 3-5 As shown, the guide needle reflux mechanism 5 includes a base 52, a guide needle support 53, a guide needle mounting frame 54 and a guide needle pushing device 55;

[0050] The guide pin 51 is mounted on the guide pin mounting frame, and the guide pin mounting frame can be driven to rise and fall on the guide pin support by the guide pin lifting device 56, and the guide pin support can be driven to reciprocate laterally between the finished side and the insertion side of the fin transfer mechanism on the base 52 by the guide pin translation device 57 provided on the base, so as to drive the guide pin from the finished side 41 of the fin transfer mechanism to the insertion side of the fin transfer mechanism (the side close to the copper tube to be inserted) and recover the guide pin moved out of the fin channel;

[0051] The guide needle pushing device 55 includes a pushing column 551, a pushing column frame 552, a pushing column frame moving seat 553, a pushing column frame moving seat lifting device 554, and a pushing column frame translation device 555;

[0052] The push column frame moving seat lifting device 554 can drive the push column frame moving seat 553 to rise and fall on the guide needle support 53 to move toward or away from the guide needle mounting frame 54, and the push column frame translation device 555 can drive the push column frame 552 to translate on the push column frame moving seat 553 to move toward or away from the guide needle mounting frame. The push column 551 is arranged on the push column frame 552 in the horizontal direction, and the push column frame translation device drives the push column to drive the guide needle on the guide needle mounting frame close to the end of the fin transfer mechanism into the fin channel at the assembly station close to one end of the copper tube pushing mechanism.

[0053] Specifically, a guide needle sleeve is transversely arranged on the guide needle mounting frame 54, and the guide needle 51 is arranged in the guide needle sleeve; the guide needle translation device 57 (linear module) includes a guide needle support translation drive motor, a guide needle support translation guide rail, and a guide needle support slider. The guide needle support translation guide rail is arranged on the base, and the bottom of the guide needle support is installed on the guide needle support translation guide rail through the guide needle support slider. The guide needle support slider is fixedly connected to the guide needle support nut, and the guide needle support nut is arranged on the guide needle support lead screw connected to the guide needle support translation drive motor. The guide needle support translation drive motor is arranged on the base; the guide needle support translation drive motor drives the guide needle support, the guide needle mounting frame and the guide needle to reciprocate along the guide needle support translation guide rail on the completion side and the insertion side of the fin transfer mechanism;

[0054] The guide needle lifting device 56 includes a guide needle lifting rail and a guide needle lifting drive motor. The guide needle lifting rail is vertically arranged on the guide needle mounting frame 54. The guide needle support 53 is provided with a guide needle lifting slider, which is installed on the guide needle lifting rail. The oil plug end of the guide needle lifting drive cylinder is connected to the guide needle mounting frame 54, thereby driving the guide needle mounting frame to move along the guide needle lifting rail toward or away from the fin transfer mechanism, so that the guide needle can be raised to the vertical position of the fin channel on the insertion side to facilitate the insertion of the guide needle into the fin channel, and can be raised to the guide needle driven out of the channel by the copper tube after use on the completion side for recovery, and also allows the guide needle to be lowered to the lower side of the fin transfer mechanism for convenient transportation, which is convenient for subsequent processes;

[0055] The push column frame moving seat lifting device 554 includes a moving seat lifting cylinder, a moving seat slide rail, and a moving seat slider. The moving seat slide rail is vertically installed on the guide needle support. The push column frame moving seat is installed on the moving seat slide rail through the moving seat slider. The moving seat lifting cylinder is arranged on the guide needle support and the piston end is connected to the push column frame moving seat. It can drive the push column frame to rise to the same horizontal position as the guide needle by driving the push column frame moving seat and the push column frame to rise.

[0056] The push column frame translation device 555 includes a translation slide rail and a translation drive cylinder horizontally arranged on the push column frame moving seat. The bottom of the push column frame is installed on the translation slide rail through the push column frame translation slider. The driving end of the translation drive cylinder is connected to the push column frame. It can move the push column that has been driven to the same horizontal position as the guide needle in the direction close to the guide needle to push the guide needle into the fin channel. After the process is completed, the push column is reset by the translation drive cylinder and the moving seat lifting cylinder.

[0057] In a specific embodiment, Figure 4 As shown, the copper tube guide mechanism 7 includes an upper guide portion 71 and a lower guide portion 72 which are arranged opposite to each other in the upper and lower directions. The upper guide portion can be driven to rise and fall on the stand 20 by a guide mechanism lifting device 73. The lower guide portion is installed on the upper guide portion and can be driven to move closer to or away from the upper guide portion in the vertical direction by a lower guide portion driving device 74. When the lower guide portion 72 abuts against the upper guide portion 71, the two form a first copper tube guide hole. Specifically, a vertical plate 75 is fixed on the stand. The guide mechanism lifting device 73 includes a guide mechanism lifting slider and a guide mechanism lifting cylinder installed on the stand. The guide mechanism lifting rail is arranged on the vertical plate 75 fixed on the upper guide portion in the vertical direction. The guide mechanism lifting slider is installed on the guide mechanism lifting rail. The driving end of the guide mechanism lifting cylinder is connected to the top of the upper guide portion and can drive the upper guide portion and the lower guide portion to rise and fall along the guide mechanism lifting rail by driving the vertical plate to rise and fall.

[0058] The lower guide driving device 74 includes a lower guide driving cylinder 741 and a lower guide driving slide rail. The lower guide driving slide rail is arranged on a guide rail mounting plate 742 installed on the upper guide part. The lower guide part is installed on the vertical lower guide driving slide rail through a lower guide driving slider. The lower guide driving cylinder is fixed on the upper guide part, and its driving end is connected to the lower guide part, thereby realizing the movement of the lower guide part along the lower guide driving slide rail toward or away from the upper guide part; before the guide needle reflux mechanism 5 drives the guide needle to be installed on the fin channel, the guide mechanism lifting cylinder drives the upper and lower guide parts to rise together on the stand to make way for the installation of the guide needle. After the guide needle reflux mechanism 5 drives the guide needle to be installed on the side of the fin channel close to the copper tube pushing mechanism 6, and before the tail end of the copper tube is connected to the guide needle on the fin, the guide mechanism lifting cylinder drives the upper and lower guide parts to descend together until the first copper tube guide hole is coaxial with the guide needle, and the copper tube pushing mechanism drives the tail end of the copper tube to enter the first In the copper tube guide hole, the first copper tube guide hole can guide and limit the rear end of the copper tube to ensure that the copper tube can be aligned with the guide pin position, thereby ensuring that the copper tube can be accurately connected to the guide pin. Since the head end of the copper tube to be inserted into the fin is a U-shaped end, the U-shaped end will be continuously driven by the copper tube driving mechanism to move in the direction close to the copper tube guide mechanism during the process of inserting the copper tube into the fin channel. When the head end of the copper tube moves to the vicinity of the upper and lower guide parts, the lower guide part driving cylinder drives the lower guide part to move away from the upper guide part, and the upper and lower guide parts are separated. At the same time, the guide mechanism lifting device 73 drives the upper and lower guide parts to rise (the purpose is to drive the upper guide part to rise and make way), and the upper and lower guide parts make way for the U-shaped end, so that the copper tube can continue to move and be inserted into the fin channel to complete the assembly of the heat exchanger; after the head end of the copper tube passes the position of the upper and lower guide parts, the guide mechanism lifting device and the lower guide part driving cylinder drive the lower guide part and the upper guide part to reset, and prepare to guide the insertion of the next layer of copper tubes.

[0059] At the same time, the upper guide part and the lower guide part are driven to rise and fall on the stand 20 through the guide mechanism lifting device 73, so that the vertical height of the first copper tube guide hole used to guide the copper tube to the upper surface of the assembly station 18 can be adjusted, that is, the vertical height of the first copper tube guide hole to the fin channel can be adjusted, so that the device can align the positions of copper tubes of different models (different diameters) with the fin channels in the vertical direction, so that copper tubes of different models can be pushed into the fins.

[0060] In a specific embodiment, Figure 3-4 As shown, the copper tube alignment mechanism 8 includes an alignment baffle 81 and an alignment baffle driving device 82. The alignment baffle 81 is vertically installed on one side of the upper guide portion 71 close to the fin transfer mechanism 4. The alignment baffle driving device 82 can drive the alignment baffle down to a horizontal position where the bottom of the alignment baffle is lower than the bottom of the first copper tube guide hole.

[0061] Specifically, the alignment baffle driving device 82 includes a vertically arranged alignment baffle guide rail and an alignment baffle driving cylinder 821, the alignment baffle guide rail is arranged on the alignment baffle, the upper guide portion is provided with an alignment baffle slider, the alignment baffle slider is installed on the alignment baffle guide rail, the alignment baffle driving cylinder is arranged on the upper guide portion, and its driving end is connected to the alignment baffle; after the tail end of the copper tube enters the first copper tube guide hole formed by the lower guide portion and the upper guide portion of the copper tube guide mechanism, the alignment baffle is driven by the alignment baffle driving cylinder to descend along the alignment baffle slider to the bottom of the alignment baffle below the first copper tube guide hole Toward the horizontal position at the bottom of the hole, as the copper tube is continuously driven forward by the copper tube pushing mechanism 8, the tail end of the copper tube can move to abut against the side plate surface of the alignment baffle close to the upper guide part, thereby realizing the alignment process of the copper tube. After the copper tube is aligned, the alignment baffle is driven up by the alignment baffle driving cylinder, and the copper tube continues to move forward and connects with the guide pin on the fin channel; setting up the copper tube alignment mechanism can ensure the precise alignment of the connection position of the copper tube and the guide pin, thereby ensuring the accurate connection of the copper tube and the guide pin, and then ensuring the insertion quality and efficiency of the copper tube as well as the processing quality and efficiency of the heat exchanger.

[0062] In a specific embodiment, a copper tube comb guide mechanism 15 is also included, such as Figure 4 , Figure 6 As shown, the copper tube tooth comb guide mechanism includes a tooth comb plate 151 and a tooth comb plate driving device 152. The tooth comb plate is vertically arranged on a side of the stand 20 close to the fin transfer mechanism 4. The tooth comb plate can be driven by the tooth comb plate driving device to rise and fall on the stand 20. A tooth groove 151a is arranged at the bottom of the tooth comb plate. During the process of inserting the copper tube into the fin channel, the copper tube section is placed in the tooth groove. The stand 20 is arranged between the fin transfer mechanism 4 and the copper tube pushing mechanism 8.

[0063] The tooth comb plate driving device 152 includes a tooth comb plate guide column 152a and a tooth comb plate driving cylinder 152b arranged on the stand 20. The tooth comb plate is connected to the tooth comb plate connecting plate 152c. The tooth comb plate connecting plate 152c is connected to the stand 20 through a tooth comb plate mounting frame 152d. A tooth comb plate guide column 152a is arranged between the tooth comb plate mounting frame and the tooth comb plate connecting plate. The tooth comb plate driving cylinder is arranged on the tooth comb plate mounting frame, and its driving end is fixedly connected to the tooth comb plate connecting plate. The tooth comb plate driving cylinder drives the tooth comb plate connecting plate to rise and fall along the guide column, thereby driving the tooth comb plate downward. The tooth groove of the tooth comb plate is lowered to the same level as the copper tube or is raised to move away from the copper tube; a clamping column 152e is also provided at the position corresponding to the tooth groove of the tooth comb plate. When the copper tube is inserted into the fin, two sections of a copper tube are placed in a tooth groove, and the top of the copper tube section is pressed down by the clamping column (non-clamping and immobile state), so as to limit the position of the copper tube during the insertion process, prevent the copper tube from being displaced or moved in the vertical direction, and cooperate with the tooth groove to ensure the stability of the position of the copper tube during the insertion process, thereby ensuring the insertion quality and efficiency of the copper tube;

[0064] In addition, a copper tube tooth comb guide mechanism 15 is also provided on the finished side 41 of the fin transfer mechanism. A tooth comb plate driving device is also installed on the fin transfer frame, and can drive the tooth comb plate to descend to a position corresponding to the tooth groove and the fin channel. Before the tail end of the copper tube extends out through the fin channel, the tail end of the copper tube is limited and pressed down, thereby limiting the tail end of the copper tube, and then ensuring that the guide needle connected to the tail end of the copper tube can smoothly and efficiently enter the guide needle sleeve of the guide needle reflux mechanism, thereby completing the recovery of the guide needle.

[0065] In a specific embodiment, Figure 7-8 As shown, the copper tube limiting mechanism 9 includes an upper limiting structure 91 and a lower limiting structure 92 which are arranged on the vertical frame 20 near the copper tube pushing mechanism and can move relative to each other. When the copper tube is in the position to be inserted, the tail end of the copper tube is placed in the second copper tube guide hole formed by the upper limiting structure and the lower limiting structure.

[0066] Specifically, the upper limit structure is connected to the frame through an upper limit driving device 93, and the lower limit structure is arranged on a lower limit structure mounting plate 95 located on the lower side of the frame and vertically fixed on the copper tube bracket 61 through a lower limit driving device 94. The upper limit driving device includes an upper limit driving cylinder and an upper limit guide column. The two ends of the guide column are respectively connected to the upper limit structure and the bracket. The upper limit driving cylinder drives the upper limit structure to move along the upper limit guide column to move closer to or away from the lower limit structure; the lower limit driving device includes a lower limit driving cylinder and a lower limit guide rail. The lower limit guide rail is vertically arranged on the lower limit structure. The lower limit structure mounting plate is provided with a lower limit slider, which is installed on the lower limit guide rail. The lower limit driving cylinder is arranged on the lower limit structure mounting plate, and the piston end is connected to the lower limit structure, which can drive the lower limit structure to move closer to or away from the upper limit structure along the lower limit guide rail. Movement; before the copper tube is placed in the position to be inserted, the upper and lower limit structures are driven to separate by their respective driving guide devices. When the copper tube is driven by the copper tube removal mechanism and placed in the position to be inserted, the tail end of the copper tube is placed in the semicircular groove provided on the lower limit structure, and the upper limit driving device drives the upper limit structure to descend until the semicircular groove thereon and the semicircular groove provided on the lower limit structure form a second copper tube guide hole, and the tail end of the copper tube is arranged in the second copper tube guide hole. During the process of inserting the copper tube into the fin, the upper and lower limit structures play a limiting role on the tail end of the copper tube and the copper tube section, ensuring the stability and accuracy of the position of the copper tube when it is driven; when the head end of the copper tube approaches the upper and lower limit structures, the upper and lower limit structures are driven away (separated) by their respective driving guide devices to make way for the head end of the copper tube, so that the head end of the copper tube can smoothly pass through the gap between the upper and lower limit structures and be inserted into the fin channel, thereby completing the assembly of the heat exchanger;

[0067] In a specific embodiment, Figure 7-8As shown, the copper tube pushing mechanism 6 includes a copper tube bracket 61 and a tube pushing unit 62 arranged on the copper tube bracket; the to-be-inserted position 29 is arranged on the copper tube bracket, and the copper tube to be inserted is placed at the to-be-inserted position along the lateral direction;

[0068] The tube pushing unit 62 is arranged on the side of the insertion position away from the fin transfer mechanism 4. The tube pushing unit includes a transversely arranged tube pushing device 621 and a tube pushing driving device 622 and a copper tube supporting device 623 connected to the tube pushing device. When the copper tube is placed at the insertion position, the head end of the copper tube is placed on the copper tube supporting device. The tube pushing driving device drives the head end of the copper tube to move toward the direction close to the fin transfer mechanism 4 by driving the tube pushing device, so that the tail end of the copper tube is connected to the guide pin on the fin channel, and the copper tube is completely inserted into the fin channel and the guide pin is pushed out of the fin channel from the finished side.

[0069] Specifically, the stand 20 is arranged on one side of the copper tube bracket 61 close to the fin transfer mechanism 4; the tube pusher device 621 includes a push rod slide rail 621a, a push rod slider, a push rod bracket 621b, a push rod 621c, a push block 621d and a push rod support structure 621e; the push rod driving device 622 includes a push rod driving motor 622a, a push rod screw and a push rod nut; one end of the horizontally arranged push rod is fixed on the push tube bracket, and the other end is provided with a push block 621d with an arc groove, the middle part of the push rod is fixed in the limiting hole of the push rod support structure installed on the push rod slide rail 621a through a sliding slider, the push rod slide rail is arranged on the copper tube bracket 61 along the extension direction of the push rod (the direction is consistent with the direction from the finished side to the processing side of the fin transfer mechanism), the bottom of the push rod bracket is installed on the push rod slide rail through a push rod slider, the bottom of the push rod bracket is installed with a push rod nut, and the push rod nut is installed on the push rod screw connected to the push rod drive motor;

[0070] The copper tube supporting device 623 includes a supporting base plate 623a and a supporting plate 623b connected to the supporting base plate through a height adjustment column. The supporting base plate is arranged on the side of the push rod close to the copper tube guide mechanism 7. The supporting base plate is installed on the push rod slide rail through the supporting base plate and is connected to the push rod support structure 621e through an elastic device. When the copper tube is placed in the position to be inserted, the head end of the copper tube is placed on the supporting plate. The height adjustment column can adjust the vertical height of the supporting plate, thereby realizing the adjustment of the height of the head end of the copper tube.

[0071] When the copper tube is driven by the copper tube removal mechanism 2 to the insertion position, the head end of the copper tube is placed on the support plate, and the tail end of the copper tube is placed in the second copper tube guide hole formed by the upper limit structure and the lower limit structure of the copper tube limiting mechanism. Then the push rod driving motor drives the push rod nut to move on the push rod screw by driving the push rod screw to rotate, and then drives the push rod bracket, the push rod and the push rod limiting structure to move along the push rod slide rail toward the copper tube. The push block on the push rod drives the head end (U-shaped end) of the copper tube to move toward the fin. Before the push block contacts the head end of the copper tube, the support plate does not move, and the elastic device is compressed. When the push block moves to contact the head end of the copper tube After that, the elastic device is completely compressed, and as the push rod continues to push the copper tube forward, it can drive the supporting plate, the supporting bottom plate, and the copper tube to move toward the fin by driving the elastic device and the push rod support structure to move, thereby driving the tail end of the copper tube to connect with the guide pin on the fin. As the push rod continues to push forward (the finished side of the fin transfer mechanism 4), the guide pin and the copper tube successively enter the channel of the fin to be assembled. When the copper tube is inserted, the guide pin is pushed out of the fin channel and recovered by the guide pin reflux mechanism that moves to the finished side. The tube pushing device is reset to prepare for the copper tube insertion process of the next layer.

[0072] In a specific embodiment, Figure 9-10 As shown, the fin transfer mechanism 4 includes a fin transfer frame 43, a transfer frame linear module 44, a fin clamping device 45 and a fin clamping device connecting frame 46;

[0073] The transfer frame linear module 44 is arranged on the fin transfer frame, the fin clamping device 45 is installed on the fin clamping device connecting frame 46, the fin clamping device connecting frame 46 is connected to the transfer frame linear module, and the transfer frame linear module can drive the fin clamping device connecting frame 46 and the fin clamping device 45 from the manual station to the waiting assembly station and from the waiting assembly station to the next station;

[0074] The fin clamping device 45 includes a first clamping part 451 and a second clamping part 452 which are arranged opposite to each other and can be driven to rise and fall on the fin clamping device connecting frame by a clamping part lifting device 453. The second clamping part can be driven by a second clamping part driving device 454 on the fin clamping device connecting frame 46 to move toward or away from the first clamping part. The first clamping part and the second clamping part can clamp and lift or clamp and lower the fins at the manual workstation and the fins (i.e., the heat exchanger) with copper tubes inserted at the assembly station.

[0075] Specifically, a first clamping part mounting frame 47 is fixed on one end of the fin clamping device connecting frame 46, and a second clamping part mounting frame 48 is installed on the other end through a second clamping part driving device 454. The first clamping part 451 is arranged on the first clamping part mounting frame 47, and the second clamping part 452 is arranged on the second clamping part mounting frame 48. The second clamping part driving device 454 includes a second clamping part driving motor and a second clamping part guide rail arranged on the fin clamping device connecting frame. The second clamping part mounting frame is installed on the horizontally arranged second clamping part guide rail through an installing slider, and the installing slider is connected to a nut on a lead screw connected to the second clamping part driving motor; the second clamping part driving motor drives the second clamping part mounting frame and The second clamping part moves along the second clamping part guide rail toward or away from the first clamping part; the first clamping part mounting frame and the second clamping part mounting frame are both provided with a clamping part lifting device 453 with the same structure, and the first clamping part mounting frame is taken as an example for specific description herein, the clamping part lifting device comprises a clamping part guide rail and a clamping part driving cylinder 453a provided on the first clamping part mounting frame, the first clamping part is mounted on the clamping part guide rail through a clamping part slider, the output end of the clamping part driving cylinder is connected to the clamping part slider, and can drive the first clamping part to rise and fall; the first and second clamping part mounting frames are also provided with a pressing plate 49, and the pressing plate is connected to a pressing plate lifting cylinder 491 and a pressing plate guide column 492 provided on the first clamping part mounting frame and the second clamping part mounting frame;

[0076] The transfer frame linear module 44 includes a transverse slide rail and a transfer frame drive motor provided on the fin transfer frame. The fin clamping device connecting frame is installed on the transverse slide rail through the transfer frame slider. The transverse slide rail is connected to the transfer frame screw nut provided on the transfer frame lead screw. The output end of the transfer frame drive motor is connected to the transfer frame lead screw. When it is necessary to clamp the fin from the manual station 30, the transfer frame drive motor first drives the fin clamping device connecting frame, the first clamping part mounting frame and the second clamping part mounting frame to move to the manual station. On the side, the first clamping part and the second clamping part are driven by their respective clamping part driving cylinders to descend along the clamping part guide rails until the bottom ends are flush with the bottom of the fins, and the second clamping part driving motor drives the second clamping part mounting frame and the second clamping part to move close to the first clamping part, and until the two ends of the fins are respectively in contact with the first clamping part and the second clamping part and are clamped by the two, and then the pressing plate lifting cylinder drives the pressing plate to descend along the pressing plate guide column until the bottom surface of the pressing plate abuts against the upper surface of the fin (positioning and limiting the vertical direction of the fin during the transfer process) ), then the two clamping part driving cylinders respectively and simultaneously drive the first clamping part and the second clamping part to move upward to lift the fin. At this time, the pressure plate lifting cylinder also drives the pressure plate to rise with the rise of the first clamping part and the second clamping part (the lower surface of the pressure plate abuts against the surface of the fin). Finally, the transfer rack driving motor drives the fin clamping device and the clamped fin to move on the fin transfer rack to transport the fin to the direction of the assembly station. After the fin is transported to the top of the assembly station, the clamping part driving cylinder drives the first clamping part to move upward. The first clamping part and the second clamping part descend and drive the fin down to the assembly station, and the second clamping part driving motor drives the second clamping part away from the first clamping part to completely place the fin on the assembly station; after the copper tube pushing mechanism inserts the copper tube into the fin to form a heat exchanger, the first clamping part and the second clamping part clamp the heat exchanger again and transport it to the working platform of the pulling mechanism on one side of the fin transfer mechanism 4. The specific component action process is consistent with the above-mentioned process of clamping, transporting and placing the fin on the assembly station.

[0077] In a specific embodiment, Figure 1As shown, it also includes a pulling mechanism 16 arranged on one side of the fin transfer mechanism 4, and the pulling mechanism is used to pull the heat exchanger clamped and moved by the fin transfer mechanism 4 to the working platform 28 of the pulling mechanism in a direction away from the fin transfer mechanism 4; the pulling device 16 includes a pulling claw 161 and a pulling claw driving structure, the pulling claw is arranged at the bottom of the working platform and the top of the pulling claw extends out of the working platform through a pulling slide hole arranged on the working platform, the pulling claw driving structure is connected to the pulling claw and can drive the pulling claw to move in the laterally arranged pulling slide hole from the side close to the fin transfer mechanism 4 to the side away from the fin transfer mechanism 4, and the driving pulling claw 161 will pull the heat exchanger clamped by the fin transfer mechanism 4 and placed on the working platform to a position convenient for the heat exchanger operating mechanism to clamp and transport (i.e., away from the fin transfer mechanism 4), and finally the pulling claw is reset under the drive of the pulling claw driving structure, so as to facilitate pulling the next assembled heat exchanger placed on the working platform.

[0078] In a specific embodiment, Figure 11-12 The heat exchanger operation mechanism 17 is also provided on one side of the fin transfer mechanism 4, which is used to clamp the heat exchanger on the working platform 28 that has been pulled to the lower side of the heat exchanger operation mechanism 17 by the pulling mechanism, and can lift, translate and lower the heat exchanger to the next station;

[0079] The heat exchanger operation mechanism 17 includes an operation fixing frame 171, an operation frame 172, an operation device mounting plate 173 and an operation device 174. The two ends of the operation frame are slidably mounted on the operation fixing frame. The operation device mounting plate is mounted on the lower side of the operation frame and can be driven to rise and fall by a mounting plate lifting device 175. The two ends of the bottom of the operation device mounting plate are respectively provided with operation devices 174 that can be driven to move closer or farther relative to each other by an operation driving device 177. The operation device is provided with an operation table 179 that is horizontally arranged and can move to the lower side of the heat exchanger and lift the heat exchanger. The running frame is driven by the running frame translation device 176 to move horizontally on the running fixed frame. The running frame translation device includes a running frame motor and a running frame guide rail. The running frame guide rail is horizontally arranged on the running fixed frame. Both ends of the running frame are respectively installed on the running frame guide rail through a running frame slider. Both ends of the running frame are fixed on the chain connected to the running frame motor through a fixing block. The mounting plate lifting device 175 includes a mounting plate lifting cylinder 175a and a mounting plate guide column 175b arranged on the running frame. The mounting plate lifting cylinder piston is connected to the running device mounting plate and can drive the running device. The mounting plate is lifted and lowered along the guide column of the mounting plate; the operation drive device 177 includes a first operation drive device 177a and a second operation linear module 177b, and the operation devices at both ends of the bottom of the operation device mounting plate include a first operation device 174a connected to the first operation drive device and a second operation device 174b connected to the second operation linear module. The first operation device and the second operation device have the same structure and both include an operation table 179 and an operation fixed plate 178 connected to the operation table; the first operation drive device includes an operation drive cylinder 177c fixed to the bottom of the operation device mounting plate 173 and a first operation guide rail, the operation fixed plate of the first operation device is installed on the first operation guide rail through the first fixed plate slider, and the operation drive cylinder piston is fixedly connected to the first fixed plate slider; the second operation linear module 177b includes an operation drive motor fixed to the bottom of the operation device mounting plate and a second operation guide rail, the operation fixed plate of the second operation device is installed on the second operation guide rail through the second fixed plate slider, the operation drive motor is connected to the operation lead screw, and the connecting block is respectively connected to the nut on the lead screw and the operation fixed plate of the second operation device;After the pulling mechanism pulls the heat exchanger to the lower side of the heat exchanger operating mechanism 9, only the second operating device moves in the direction close to the first operating device so that the condenser can be lifted (to save energy). The specific process is: the mounting plate lifting cylinder drives the operating device mounting plate to descend along the operating frame guide rail, and drives the operating platforms of the first operating device and the second operating device to a height lower than the bottom of the copper tubes extending from the two side ends of the heat exchanger. Then the operating drive motor drives the second operating device to move along the second operating guide rail toward the first operating device. The operating platform of the second operating device drives the copper tubes extending from both sides of the heat exchanger to the lower side of the two operating platforms placed on the first and second operating devices. Then the mounting plate lifting cylinder drives the operating device mounting plate and the operating device thereon to descend along the mounting frame guide rail. The plate guide column rises to lift the heat exchanger, and finally the operating frame motor drives the operating frame and the operating device to move along the operating frame rail to drive the heat exchanger to the next station. The operating device is driven down by the mounting plate lifting cylinder to place the heat exchanger on the next station. The operating drive cylinder drives the first operating device to separate from the copper tube on the heat exchanger, and the operating drive motor drives the second operating device to separate from the copper tube on the heat exchanger. The operating frame is reset to prepare for the heat exchanger operating mechanism to clamp and operate the next heat exchanger; when the model (size) of the heat exchanger to be operated changes, the operating drive cylinder drives the first operating device to move along the first operating rail toward or away from the second operating device to change the distance between the first operating device and the second operating device to adapt to the lifting of heat exchangers of different models. ;

[0080] In a specific embodiment, Figure 13-14As shown, it also includes a copper tube lifting and loading mechanism 1 and a copper tube taking-out mechanism 2 arranged on the upper side of the copper tube lifting and loading mechanism; the copper tube lifting and loading mechanism includes a bracket for supporting the copper tube taking-out mechanism 2, a loading unit 11 for driving a loading platform 111 carrying the copper tube to be inserted to move to the lower side of the copper tube taking-out mechanism, and a copper tube lifting unit 12 arranged on the bracket for driving the loading platform to rise to approach the copper tube taking-out mechanism 2 and obtain the rising stroke of the loading platform; the copper tube taking-out mechanism 2 includes a lifting unit 21, a translation unit 22, a clamping unit 23, a layer height detection unit 24 and a mounting frame 25; the mounting frame 25 is arranged on the bracket, the translation unit 22 is arranged on the mounting frame and can move laterally from the upper side of the copper tube lifting and loading mechanism to the mounting frame On the upper side of the insertion position 29 of the copper tube pushing mechanism 6, the lifting unit 21 is installed on the translation unit 22, and the layer height detection unit 24 and the clamping unit 23 are installed on the lifting unit 21, and the clamping unit is arranged on both sides of the layer height detection unit. The lifting unit can drive the layer height detection unit and the clamping unit to descend toward the direction of the copper tube 3 on the loading table and reach the set position, the layer height detection unit can detect the copper tube rising to the set position and send the detection signal to the controller, and the clamping unit 23 can clamp the two ends of the copper tube rising to the set position; the copper tube lifting unit 12 can send the rising stroke when the loading table rises from the initial position to the top layer of the copper tube on the loading table to the set position to the controller.

[0081] If the number of layers (layer height) of the inserted copper tubes stacked from bottom to top on the loading platform meets the actual production requirements, the lifting unit 21 and the translation unit 22 drive the layer height detection unit 24 to move to the set position on the upper side of the copper tube lifting and loading mechanism 1, then the layer height detection unit 24 can detect the copper tubes on the loading platform when the loading platform is in the initial position, and send the detection signal to the controller, and at the same time, the clamping unit 23 clamps the top layer of the copper tube on the loading platform, and then drives the clamped copper tube to the next process station for inserting the copper tube through the lifting unit 21 and the translation unit 22; if the number of layers (layer height) of the inserted copper tubes stacked on the loading platform does not meet the actual production requirements, the layer height detection unit 24 cannot detect the copper tubes on the loading platform after being driven to the set position by the lifting unit 21, and the copper tubes on the loading platform are not A signal will be detected and sent to the controller, and then the copper tube lifting unit 12 will drive the copper tubes on the loading platform to rise along the bracket. After the layer height detection unit 24 detects the signal, the copper tube lifting unit 12 will obtain the rising stroke of the loading platform from the initial position to the top layer of copper tubes on the loading platform when it rises to the set position and sends it to the controller. The controller can calculate the total number of layers of copper tubes on the loading platform according to the rising stroke, combined with the known actual production setting of the total copper tube layer height and the diameter (layer height) of each layer of copper tubes, that is, the layer height of the copper tubes can be obtained (the calculation formula is: the known actual production setting of the total copper tube layer height - (rising stroke ÷ the known layer height of each layer of copper tubes)). The controller is a prior art, and the process and principle of receiving signals and data and calculating the total number of copper tube layers will not be repeated here. By providing the copper tube lifting unit and loading unit of the copper tube lifting and loading mechanism and the lifting unit and layer height detection unit of the copper tube taking-out mechanism, the total layer height of the copper tubes to be inserted into the fins can be detected, thereby ensuring the number of inserted copper tubes. This device avoids manual detection of the copper tube layer height and automatically realizes the copper tube layer height detection, with accurate and efficient results. The number of inserted copper tubes can be guaranteed, thereby ensuring the quality of the condenser.

[0082] In a specific embodiment, Figure 19-23 As shown, the floor height detection unit 24 includes a fixing sleeve 241, a connecting rod 242, a spring 243, a contact plate 244, a sensor 245 and a detection plate 246;

[0083] The fixing sleeve 241 is fixed on the connecting frame provided on the lifting unit 21, the connecting rod 242 is vertically arranged and slidably arranged in the fixing sleeve 241, the bottom of the connecting rod 242 extends out of the fixing sleeve 241 and is connected to the contact plate 244 arranged in the horizontal direction, the top of the connecting rod 242 extends out of the fixing sleeve 241 and is connected to the detection plate 246, the spring 243 is sleeved on the outer side of the bottom of the connecting rod 242, the top of the spring 243 abuts against the bottom of the fixing sleeve 241, and the bottom abuts against the top surface of the contact plate 244; the sensor 245 is arranged on the connecting frame 26; the translation unit drives the contact plate 244 of the layer height detection unit to the top of the copper tube on the loading platform 111 by driving the lifting unit and the connecting frame. If the number of layers of copper tubes on the loading platform 111 at this time meets the number of layers (layer height) required by actual production, then in the process of the lifting unit driving the layer height detection unit to descend to the set position, the bottom surface of the contact plate 244 first abuts against the uppermost layer of the loading platform The copper tube abuts against the fixing sleeve 241 on the connecting frame, and as the lifting unit continues to drive the fixing sleeve 241 on the connecting frame to move downward, the spring 243 is compressed. When the spring 243 is compressed to the maximum, the lifting unit continues to drive the fixing sleeve 241, the spring 243 and the contact plate 244 to move downward. Since the copper tube on the loading platform is always in contact with the bottom of the contact plate 244, the copper tube and the contact plate 244 will exert an upward force on the connecting rod 242 in the fixing sleeve 241, thereby driving the connecting rod 242 and the detection plate 246 on the top of the connecting rod 242 to move upward close to the sensor 245 on the connecting frame. When the detection plate 246 moves upward to enter the detection area of ​​the sensor 245, the sensor 245 receives a detection signal. At this time, the layer height detection unit has dropped to the set position (that is, the position of the top copper tube that can clamp the required fixed layer height copper tube), and then the clamping unit clamps the two ends of the copper tube, and finally the lifting unit and the translation unit drive the copper tube to enter the insertion position 29 on the copper tube pushing mechanism 6;

[0084] When the contact plate 244 of the layer height detection unit is driven to the set position by the lifting unit, the bottom of the contact plate 244 does not abut against the uppermost copper tube of the loading platform, and the detection plate 246 does not enter the detection area of ​​the sensor 245. At this time, the number of layers (layer height) of the copper tubes on the loading platform does not meet the number of layers required by actual production. Then, the copper tube lifting unit 12 drives the loading platform and the copper tubes thereon to move upward toward the contact plate 244 close to the copper tube removal mechanism. After the bottom surface of the contact plate 244 abuts against the uppermost copper tube of the loading platform, the loading platform and the copper tubes thereon continue to be driven upward. , driving the detection plate 246 to move upward, the spring 243 is compressed. When the spring 243 is compressed to the maximum, as the feeding table and the copper tube continue to move upward, an upward driving force is generated on the connecting rod 242 in the fixed sleeve 241, which drives the connecting rod 242 and the detection plate 246 on the top of the connecting rod 242 to move upward. When the detection plate 246 moves upward and enters the detection area of ​​the sensor 245, the sensor 245 detects the signal of the top copper tube on the feeding table and sends the signal to the controller (the controller is the prior art). Then the clamping unit clamps the copper tube, and the lifting unit The driving connection frame, the layer height detection unit and the clamping unit copper tube lifting translation unit drive the copper tube horizontally on the mounting frame and place the copper tube on the insertion position 29; the controller raises the loading platform from the initial position to the top layer of the copper tube on the loading platform according to the obtained copper tube lifting unit 12. The lifting stroke when the copper tube rises to the set position, and combined with the known actual production setting of the total copper tube layer height and the diameter (layer height) of each layer of copper tubes, the layer height of the initial copper tube on the loading platform can be calculated to realize the detection of the copper tube layer height. For example, it is known that the height of each layer of copper tubes on the loading platform is 1cm , actual production requires that the total layer height of 40 layers of copper tubes is 40cm. In the actual detection process, the rising stroke of the loading platform from the initial position to the top layer of copper tubes on the loading platform rising to the set position is 1cm, that is, after the copper tube moves upward by 1cm (the rising stroke of the loading platform from the initial position to the top layer of copper tubes on the loading platform rising to the set position is obtained by the driving device of the copper tube lifting unit with readable stroke), sensor 245 detects the signal of the top layer of copper tube for the first time, and it can be known that the current number of copper tubes is 39 layers and the layer height is 39cm.

[0085] In a specific embodiment, the copper tube lifting unit 12 includes a lifting fork 121, a mounting bracket 122, a lifting drive device 123 and a lifting guide assembly 124; the mounting bracket 122 is fixed on the bracket, the lifting fork 121 is arranged horizontally and can be slidably installed on the mounting bracket 122 along the vertical direction through the lifting guide assembly 124, the lifting drive device 123 is arranged on the mounting bracket 122 and is fixedly connected to the lifting fork 121, the loading platform of the loading unit can move to the upper side of the lifting fork 121, the lifting drive device 123 can drive the lifting fork 121 to rise along the lifting guide assembly 124, and the lifting fork 121 drives the loading platform on its upper side and the copper tube thereon to rise on the mounting bracket 122.

[0086] Specifically, the lifting guide assembly 124 includes a lifting rail and a lifting slider; the lifting rails are vertically installed on both sides of the mounting bracket 122, and the lifting fork 121 is installed on the lifting rails through the lifting slider; the lifting drive device 123 includes a lifting servo motor, a lifting screw and a lifting nut, the lifting motor is installed on the mounting bracket 122, the lifting motor is connected to the lifting screw, and the lifting nut is arranged on the lifting screw and fixedly connected to the lifting fork 121; when the copper tube lifting unit drives the loading platform and the copper tube on it to approach the copper tube removal mechanism, the loading platform is first manually driven to move To the upper side of the lifting fork 121, and then the lifting servo motor drives the lifting nut on the lifting screw to rise by driving the lifting screw, and the lifting nut drives the lifting fork 121 to rise along the lifting guide rail, and the lifting fork 121 drives the loading table and the copper tube thereon to rise along the lifting guide rail close to the contact plate of the layer height detection unit of the copper tube taking-out mechanism, and the copper tube lifting unit cooperates with the layer height detection unit to detect the layer height of the copper tube; when all the copper tubes on the loading table are clamped by the copper tube taking-out mechanism 2 and transported to the next workstation, the lifting drive device 123 drives the loading table to descend to the initial position along the lifting guide assembly on the mounting bracket.

[0087] In a specific embodiment, the clamping unit 23 includes a driving plate 231, a plurality of rotating components 232, a clamping driving device 234, a driving plate guiding component 235, and a plurality of clamping columns 236 arranged at intervals; the driving plate guiding component 235 is arranged on the upper surface of the contact plate 244, the bottom surface of the horizontally arranged driving plate 231 is connected to the driving plate guiding component 235, the top of the clamping column 236 is connected to the bottom surface of the driving plate 231 through the rotating component 232, and the bottom of the clamping column 236 passes through the contact The through hole on the plate 244 extends out of the contact plate 244, and the clamping drive device 234 is arranged on the contact plate 244 and can drive the drive plate 231 to move laterally along the drive plate guide assembly 235. The drive plate 231 can drive the rotating assembly 232 to rotate the clamping column 236 and the clamping blocks 237 oppositely arranged on the outer peripheral wall of the clamping column 236 to rotate around the central axis of the clamping column 236, so that adjacent pairs of clamping columns 236 are driven by the copper tube lifting unit to clamp the copper tubes between adjacent clamping columns 236.

[0088] Specifically, the driving plate guide assembly 235 includes a driving plate guide rail and a driving plate slider. The driving plate guide rail is arranged on the upper surface of the contact plate 244, and the bottom of the driving plate 231 is installed on the driving plate guide rail through the driving plate slider; the clamping driving device 234 includes a driving cylinder 234a and a connecting plate 234b. The driving cylinder is arranged on the contact plate 244, and the piston end of the driving cylinder is connected to the connecting plate, and the two ends of the connecting plate are respectively connected to two driving plates 231 of a group of clamping units 23; a plurality of guide partition blocks 247 arranged at intervals are provided at the bottom of the contact plate 244. When the contact plate abuts against the copper tube, each guide partition block is arranged between two adjacent sections of the copper tube. In the process from the contact plate approaching the copper tube to the contact plate abutting against the copper tube, the guide partition block guides the copper tube section to avoid dislocation of the copper tube section.

[0089] In a specific embodiment, the rotating assembly 232 includes a driving block 232a and a follower shaft 232b, the driving block 232a is arranged horizontally, a cam track groove is arranged at one end of the upper surface of the driving block 232a, the top of the follower shaft 232b is fixed on the driving plate 231, a cam is rotatably installed at the bottom of the follower shaft 232b, and the cam is arranged in the cam track groove and can move in the cam track groove under the drive of the driving plate 231; the top of the clamping column is fixedly connected to the lower side of the driving block 232a and away from the end provided with the cam track groove; when the contact plate 244 of the layer height detection unit 24 moves to the set position and the sensor 245 detects the copper tube signal, the clamping unit 23 opens The specific process of the clamping unit 23 is as follows: the driving cylinder 234a drives the driving plate 231 to move laterally along the driving plate guide rail through the connecting plate 234b, and the driving plate 231 drives the rotating shaft 232b to move, and the rotating shaft 232b drives the cam to move in the cam track groove of the driving block 232a (along the cam track groove wall), and drives the driving block 232a to rotate, and then the driving block 232a drives the clamping column to rotate around the clamping column axis in the through hole on the contact plate 244, so that the clamping block 237 on the outer wall of the clamping column 236 rotates in the lateral direction to the radial direction of the copper tube section, and the two sides of a section of a copper tube are clamped by the clamping blocks 237 on the clamping columns 236 on both sides.

[0090] In a specific embodiment, the copper tube removal mechanism 2 also includes a clamping detection unit 27 arranged on the contact plate 244, and the clamping detection unit 27 includes an optical fiber sensor group 271, a floating pin fixing plate 272, a plurality of floating pins 273, a plurality of blocks 274 and a plurality of support plates 275; a plurality of the floating pin fixing plates 272 are arranged on the contact plate 244 at intervals, the floating pin is movably arranged on the floating pin fixing plate 272, the bottom of the floating pin 273 is movably arranged in the floating pin groove arranged on the contact plate 244 and can extend out of the floating pin groove, the middle part of the floating pin 273 and the The stopper 274 is fixed to the upper side of the contact plate 244 in a transverse manner, and a plurality of support plates are spaced apart on the upper surface of the contact plate 244 and between adjacent floating pins 273. The stopper 274 can rise with the floating pin 273 and be placed on the support plate 275 as the floating pin rotates, so that the bottom of the floating pin 273 can completely enter the floating pin groove; the two optical fiber sensors of the optical fiber sensor group 271 are respectively arranged on both sides of the contact plate 244 along the setting direction of the plurality of clamping columns 236; when the clamping unit 23 clamps the copper tube, the position of the stopper 274 is higher than the height of the optical fiber sensor light source. When the bottom surface of the contact plate 244 abuts against the copper tube, and the clamping unit clamps the copper tube, the copper tube abuts against the bottom of the floating pin, and the copper tube drives the floating pin into the floating pin groove. The stopper on the floating pin is driven up, so that the stopper position is higher than the position of the optical fiber sensor emitting light head. After all the floating pins are lifted up from the bottom by the copper tube and enter the floating pin groove, all the stoppers are also driven up at this time, and the optical fiber sensor can detect a signal, indicating that each copper tube of a layer is clamped. If the optical fiber sensor does not detect a signal, it indicates that there are copper tubes in a layer that are not clamped. Through the cooperation of the optical fiber sensor, the floating pin and the stopper, it can be detected whether the copper tube to be inserted is not clamped, thereby detecting whether there is a problem of missing or insufficient insertion of the copper tube in the fin, thereby ensuring the production quality of the condenser.

[0091] When a copper tube does not need to be inserted into a certain position of the condenser fin, the floating pin at that position can be manually pulled up and rotated, and one end of the stopper on the floating pin can be placed on a support plate on one side of the floating pin, so that the height of the stopper on the floating pin is higher than the height of the optical fiber sensor light source. When there is no copper tube at this position, the optical fiber sensor can still detect the signal, so that the device can adjust the various quantities and positions of the copper tubes to be inserted in one layer, thereby meeting actual processing requirements and having greater applicability and flexibility.

[0092] In a specific embodiment, Figure 15-17As shown, the loading unit includes a moving vehicle 112, a loading push plate 113, a first guide rod group 114, a second guide rod group 115, a push plate sliding assembly 116 and the loading platform 111; the loading platform is arranged on the moving vehicle 112, the loading push plate 113 is installed on the moving vehicle 112 through the push plate sliding assembly 116 and is arranged on one side of the loading platform, the first guide rod group 114 is arranged on the loading push plate 113, the second guide rod group 115 is arranged on the loading platform, one end of the copper tube is placed on the loading push plate 113, and the other end of the copper tube is placed on the loading platform, and each guide rod of the first guide rod group 114 and the second guide rod group 115 are sequentially arranged between adjacent copper tube sections; external force drives the loading push plate 113 to drive the copper tube to move in the direction of the loading platform, so that the copper tube is placed in the copper tube removal position on the lower side of the copper tube removal mechanism;

[0093] The push plate sliding assembly 116 includes a push plate slide rail provided on the moving vehicle 112 and a push plate slider fixed to the bottom of the loading push plate 113. The push plate slide rail is extended in the direction from the initial position of the copper tube to the removal position. The loading push plate 113 is installed on the push plate slide rail through the push plate slider. The initial position of the copper tube on the moving vehicle 112 is that the copper tube is far away from the copper tube removal mechanism. At this time, the loading push plate 113 is also placed on the push plate slide rail at a position away from the copper tube removal mechanism. The U-shaped end of the copper tube to be inserted is always placed on the loading push plate 113, and the tail end of the copper tube is always placed on the loading table. The first guide rod group 114 and the second guide rod group 115 Each guide rod is arranged between adjacent copper tube sections, and plays a guiding and limiting role for the copper tube in the process of driving the copper tube to move; during processing, it is necessary to use external force to drive the loading push plate 113 to move along the push plate slide rail toward the copper tube removal mechanism. Due to the action of gravity, several layers of copper tubes to be inserted stacked from bottom to top are pushed onto the loading table by the loading push plate 113 (the U-shaped end of the copper tube is always placed on the loading push plate 113), and the copper tube is driven into the lower side of the copper tube removal mechanism, the clamping unit clamps the copper tube, and the copper tube lifting unit 12 cooperates with the clamping unit 23, the lifting unit 21, and the translation unit 22 to drive the copper tube to the insertion position 29.

[0094] In a specific embodiment, the lifting unit 21 includes a lifting plate 211, a lifting guide rail 212, a lifting slider, and a lifting drive cylinder 213. The vertically arranged lifting plate 211 is connected to the translation unit, the lifting guide rail 212 is vertically arranged on the lifting plate 211, the connecting frame 26 is installed on the lifting guide rail 212 through the lifting slider, the lifting drive cylinder is installed on the lifting plate, and the piston end of the lifting drive cylinder is connected to the connecting frame 26;

[0095] The connecting frame 26 is provided with a limit plate 214, which is arranged horizontally. The upper part of the buffer 215 is arranged on the connecting frame 26, the bottom of the buffer 215 is connected to one end of the limit plate, and the other end of the limit plate is arranged in a limit groove arranged at the bottom of the lifting plate 211;

[0096] When the copper tube taking-out mechanism 2 is needed to clamp the copper tube to be inserted, the lifting drive cylinder drives the connecting frame and the connected layer height detection unit and the clamping unit on the layer height detection unit to descend along the lifting guide rail to the set height, and then the layer height detection unit is used to detect the height of the copper tube to be inserted on the loading table, and then the clamping unit cooperates with the copper tube lifting unit of the copper tube lifting feeding mechanism to clamp (clamp) the copper tube to be inserted; when the clamping unit of the copper tube taking-out mechanism clamps a layer of copper tube to be inserted, the lifting drive cylinder drives the connecting frame and the connected layer height detection unit and the clamping unit on the layer height detection unit to rise along the lifting guide rail, so that the copper tube clamped by the clamping unit rises to an appropriate height, and then is driven by the translation unit to the copper tube to be inserted. Insert position 29, then the lifting drive cylinder drives the copper tube down to the position to be inserted 29, and the driving cylinder 234a of the clamping unit 23 drives the clamping column and the clamping block to rotate by driving the cam and the driving block 232a, so that the copper tube is loosely placed on the position to be inserted 29; when the lifting drive cylinder drives the connecting frame to rise, the connecting frame can move to the position where the upper surface of the limit plate on the connecting frame abuts against the top surface of the limit groove of the lifting plate, and the limit groove and the limit plate cooperate to limit the rising position of the connecting frame and realize the limitation of the rising height of the copper tube. In this process, the buffer provides a buffering effect between the connecting frame and the lifting plate to prevent the limit plate from excessively colliding with the lifting plate after contacting the lifting plate, resulting in damage to the plate body.

[0097] In a specific embodiment, the translation unit 22 includes a translation guide rail 221, a translation slider 222 and a translation drive device 223; the translation guide rail 221 is arranged on the mounting frame 25 in the horizontal direction, the lifting plate 211 is installed on the translation guide rail through the translation slider, and the translation drive device is arranged on the mounting frame and connected to the translation slider; specifically, the translation drive device includes a translation drive motor, a translation screw and a translation nut, the translation drive motor is arranged on the mounting frame 25, the translation screw is connected to the translation drive motor, the translation nut is installed on the translation screw, and the translation nut is fixedly connected to the translation slider; the translation drive motor drives the lifting plate 211 to move horizontally along the translation guide rail on the mounting frame by driving the translation screw and the translation nut, thereby driving the clamping unit and the layer height detection unit to approach or move away from the copper tube lifting and feeding mechanism, thereby realizing the clamping unit to clamp the copper tube to be inserted and drive the clamped copper tube to the insertion position 29.

[0098] In a specific embodiment, a loading unit limiting device 14 is provided on the upper side of the bracket 13, and positioning blocks 117 are provided on both sides of the mobile vehicle 112 corresponding to the positions of the loading unit limiting devices; Fig.16 , Fig.18 As shown, the loading unit limit device 14 includes a limit drive motor 141 and a positioning card pin 142 connected to the limit drive motor, and the positioning card pin is provided with a pair of relatively arranged card plates, and the direction in which the pair of card plates are arranged is the direction in which the moving vehicle 112 enters or leaves the bracket. When the moving vehicle 112 enters the bracket, the limit drive motor can drive the positioning card pin to move toward the direction close to the positioning block, and drive the two card plates on the positioning card pin to the two sides of the positioning block; the limit drive motor is installed on the bracket through the limit drive motor sliding connecting plate. Before the moving vehicle 112 enters the bracket, the positioning The pin is arranged in the fixed mounting seat, and the limit drive motor and the fixed mounting seat can slide and adjust the position on the sliding connecting plate in the lateral direction; after the moving vehicle 112 enters the bracket, the limit drive motor drives the positioning pin to extend from the fixed mounting seat to move toward the direction close to the positioning block. When the two cards located on the positioning pin 142 are driven to the two sides of the positioning block 117, the positioning pin 142 and the positioning block 117 cooperate to limit the lateral position of the moving vehicle 112, preventing the moving vehicle 112 from being displaced significantly, thereby ensuring the stability of the position of the loading platform and the copper tube to be inserted on the moving vehicle 112 and the moving vehicle.

[0099] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A heat exchanger metal tube insertion device in the refrigeration field, characterized in that: include: A fin transfer mechanism (4) is used to transfer the fins from the manual workstation (30) to the to-be-assembled workstation (18), and to transfer the assembled heat exchanger (19) to the next workstation; A guide needle return mechanism (5) capable of reciprocating between the finished side (41) and the insertion side (42) of the fin transfer mechanism (4), for driving the guide needle (51) from the finished side (41) of the fin transfer mechanism to its insertion side (42) and installing the guide needle on the fin channel of the to-be-assembled station, and for recovering and temporarily storing the guide needle driven out of the fin channel; The copper tube pushing mechanism (6) is arranged on the insertion side (42) of the fin transfer mechanism, and is used to drive the copper tube at the to-be-inserted position (29) to the end of the copper tube close to the fin transfer mechanism so as to connect the end of the copper tube to the guide pin on the end of the fin channel, and drive the copper tube into the fin channel to complete the assembly of the heat exchanger; A copper tube guiding mechanism (7) is provided between the fin transfer mechanism (4) and the copper tube pushing mechanism (6) and is used to guide the rear end of the copper tube before the copper tube is connected to the guide pin; A copper tube alignment mechanism (8) is installed on a side of the copper tube guide mechanism (7) close to the fin transfer mechanism (4) and is used to align the tail end of the copper tube driven into the copper tube guide mechanism (7); The copper tube limiting mechanism (9) is arranged between the copper tube guiding mechanism (7) and the copper tube pushing mechanism (6), and is used to limit the rear end of the copper tube at the position to be inserted, and is used to limit the copper tube during the process of inserting the copper tube into the fin channel; The guide needle reflux mechanism (5) comprises a base (52), a guide needle support (53), a guide needle mounting frame (54) and a guide needle pushing device (55); The guide needle (51) is mounted on a guide needle mounting frame, and the guide needle mounting frame can be driven by a guide needle lifting device (56) to rise and fall on the guide needle support, and the guide needle support can be driven by a guide needle translation device (57) provided on the base to move back and forth laterally between the finished side and the insertion side of the fin transfer mechanism on the base (52), so as to drive the guide needle from the finished side (41) of the fin transfer mechanism to the insertion side of the fin transfer mechanism and recover the guide needle moved out of the fin channel; The guide needle pushing device (55) comprises a pushing column (551), a pushing column frame (552), a pushing column frame moving seat (553), a pushing column frame moving seat lifting device (554), and a pushing column frame translation device (555); The push column frame movable seat lifting device (554) can drive the push column frame movable seat (553) to lift and lower on the guide needle support (53) to move toward or away from the guide needle mounting frame (54), and the push column frame translation device (555) can drive the push column frame (552) to translate on the push column frame movable seat (553) to move toward or away from the guide needle mounting frame, and the push column (551) is arranged on the push column frame (552) in the transverse direction, and the push column frame translation device drives the push column to drive the guide needle on the guide needle mounting frame close to the end of the fin transfer mechanism into the fin channel at the assembly station (18) close to one end of the copper tube pushing mechanism.

2. A heat exchanger metal tube insertion device for refrigeration according to claim 1, characterized in that: The copper tube guide mechanism (7) comprises an upper guide portion (71) and a lower guide portion (72) which are arranged opposite to each other in an upper and lower direction. The upper guide portion can be driven to rise and fall on the stand (20) by a guide mechanism lifting device (73). The lower guide portion is mounted on the upper guide portion and can be driven to move toward or away from the upper guide portion in a vertical direction by a lower guide portion driving device (74). When the lower guide portion (72) abuts against the upper guide portion (71), the two form a first copper tube guide hole.

3. A heat exchanger metal tube insertion device for refrigeration according to claim 2, characterized in that: The copper tube alignment mechanism (8) comprises an alignment baffle (81) and an alignment baffle driving device (82); the alignment baffle (81) is vertically mounted on a side of the upper guide portion (71) close to the fin transfer mechanism (4); the alignment baffle driving device (82) is capable of driving the alignment baffle down to a horizontal position where the bottom of the alignment baffle is lower than the bottom of the first copper tube guide hole.

4. A heat exchanger metal tube insertion device for refrigeration according to claim 2, characterized in that: The copper tube limiting mechanism (9) comprises an upper limiting structure (91) and a lower limiting structure (92) which are arranged on the vertical frame (20) in a relative manner and close to one side of the copper tube pushing mechanism and are capable of relative movement. When the copper tube is in the to-be-inserted position (29), the rear end of the copper tube is placed in a second copper tube guide hole formed by the upper limiting structure (91) and the lower limiting structure (92).

5. The metal tube insertion device for heat exchanger in the refrigeration field according to claim 1, characterized in that: The copper tube pushing mechanism (6) comprises a copper tube bracket (61) and a tube pushing unit (62) arranged on the copper tube bracket; The position to be inserted (29) is arranged on the copper tube support, and the copper tube to be inserted is placed at the position to be inserted along the transverse direction; The tube pushing unit (62) is arranged on a side of the insertion position away from the fin transfer mechanism (4), and comprises a tube pushing device (621) arranged transversely, and a tube pushing driving device (622) and a copper tube supporting device (623) connected to the tube pushing device. When the copper tube is placed at the insertion position, the head end of the copper tube is placed on the copper tube supporting device, and the tube pushing driving device drives the head end of the copper tube to move in a direction close to the fin transfer mechanism (4) by driving the tube pushing device, so that the tail end of the copper tube is connected to the guide pin on the fin channel, and the copper tube is completely inserted into the fin channel, and the guide pin is pushed out of the fin channel from the finished side.

6. The metal tube insertion device for heat exchanger in the refrigeration field according to claim 1, characterized in that: The fin transfer mechanism (4) comprises a fin transfer frame (43), a transfer frame linear module (44), a fin clamping device (45) and a fin clamping device connecting frame (46); The transfer frame linear module (44) is arranged on the fin transfer frame, the fin clamping device (45) is installed on the fin clamping device connecting frame (46), the fin clamping device connecting frame (46) is connected to the transfer frame linear module, and the transfer frame linear module can drive the fin clamping device connecting frame (46) and the fin clamping device (45) from the manual workstation (30) to the waiting assembly workstation (18) and drive from the waiting assembly workstation (18) to the next workstation; The fin clamping device (45) comprises a first clamping part (451) and a second clamping part (452) which are arranged opposite to each other and can be driven by a clamping part lifting device (453) to be lifted and lowered on a fin clamping device connecting frame. The second clamping part can be driven by a second clamping part driving device (454) to move on the fin clamping device connecting frame (46) toward or away from the first clamping part. The first clamping part and the second clamping part can clamp and lift or clamp and lower the fins at the manual workstation (30) and the fins inserted into the copper tube at the assembly workstation (18).

7. The metal tube insertion device for heat exchanger in the refrigeration field according to claim 1, characterized in that: It also includes a pulling mechanism (16) disposed on one side of the fin transfer mechanism (4), the pulling mechanism being used to pull the heat exchanger (19) clamped and moved by the fin transfer mechanism (4) to a working platform (28) of the pulling mechanism in a direction away from the fin transfer mechanism (4).

8. The metal tube insertion device for heat exchanger in the refrigeration field according to claim 7, characterized in that: It also includes a heat exchanger operating mechanism (17) disposed on one side of the fin transfer mechanism (4), which is used to clamp the heat exchanger on the working platform (28) that has been pulled to the lower side of the heat exchanger operating mechanism (17) by the pulling mechanism, and can lift, translate and lower the heat exchanger to the next workstation; The heat exchanger operating mechanism (17) comprises an operating fixed frame (171), an operating frame (172), an operating device mounting plate (173) and an operating device (174); both ends of the operating frame are slidably mounted on the operating fixed frame; the operating device mounting plate is mounted on the lower side of the operating frame and can be driven to move up and down by a mounting plate lifting device (175); both ends of the bottom of the operating device mounting plate are respectively provided with operating devices (174) that can be driven to move closer or farther relative to each other by an operating driving device (177); and the operating device is provided with an operating table (179) that is arranged horizontally and can move to the lower side of the heat exchanger and lift the heat exchanger.

9. The metal tube insertion device for heat exchanger in the refrigeration field according to claim 1, characterized in that: It also includes a copper tube lifting and feeding mechanism (1) and a copper tube removing mechanism (2) arranged on the upper side of the copper tube lifting and feeding mechanism; The copper tube lifting and loading mechanism comprises a bracket (13) for supporting the copper tube removal mechanism (2), a loading unit (11) for driving a loading platform (111) carrying a copper tube to be inserted to move to the lower side of the copper tube removal mechanism, and a copper tube lifting unit (12) provided on the bracket for driving the loading platform to rise so as to approach the copper tube removal mechanism (2) and obtain a rising stroke of the loading platform; The copper tube removal mechanism (2) comprises a lifting unit (21), a translation unit (22), a clamping unit (23), a layer height detection unit (24) and a mounting frame (25); the mounting frame (25) is arranged on the bracket, the translation unit (22) is arranged on the mounting frame and can move laterally from the upper side of the copper tube lifting and feeding mechanism to the upper side of the to-be-inserted position (29) of the copper tube pushing mechanism (6) on the mounting frame, the lifting unit (21) is mounted on the translation unit (22), the lifting unit (21) is mounted with the layer height detection unit (24) and the clamping unit (23), the clamping units are arranged on both sides of the layer height detection unit, the lifting unit can drive the layer height detection unit and the clamping unit to descend in the direction close to the copper tube (3) on the feeding table and reach a set position, the layer height detection unit can detect the copper tube that has risen to the set position and send a detection signal to the controller, and the clamping unit (23) can clamp both ends of the copper tube that has risen to the set position; The copper tube lifting unit (12) can send to the controller the lifting stroke of the loading platform from the initial position to the time when the top copper tube on the loading platform rises to the set position.

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